print('\n'.join([''.join([('YDD♡XHH ' [(x - y) % len('YDD♡XHH ')]if ((x * 0.05) **2 + (y * 0.1) **2 - 1) **3 - (x * 0.05) **2 * (y * 0.1) **3 <= 0 else ' ') for x in range( - 30, 30)]) for y in range(30, -30, -1)]))